Class: TypedPrint::Table

Inherits:
Object
  • Object
show all
Defined in:
lib/typed_print/table.rb

Instance Method Summary collapse

Constructor Details

#initialize(data, alignments = {}, only_columns = nil, custom_headers = {}, color: false, colors: nil) ⇒ Table

Returns a new instance of Table.



11
12
13
14
15
16
17
18
19
20
 
# File 'lib/typed_print/table.rb', line 11

def initialize(data, alignments = {}, only_columns = nil, custom_headers = {}, color: false, colors: nil)
  @data = data
  @alignments = alignments
  @only_columns = only_columns&.map(&:to_sym)
  @custom_headers = custom_headers.transform_keys(&:to_sym)
  @color_auto = color
  @colors = colors&.transform_keys(&:to_sym)

  @headers = determine_headers
end

Instance Method Details

#render(format = :plain) ⇒ Object 



22
23
24
25
26
27
28
 
# File 'lib/typed_print/table.rb', line 22

def render(format = :plain)
  if format == :markdown
    render_markdown
  else
    render_plain
  end
end

#render_markdown ⇒ Object 



62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
 
# File 'lib/typed_print/table.rb', line 62

def render_markdown
  return "" if @data.empty?

  rows_plain = @data.map { |row| @headers.map { |h| format_value(row[h]) } }
  header_strings_plain = @headers.map { |h| header_label(h) }

  column_widths = header_strings_plain.map(&:length)
  rows_plain.each do |row|
    row.each_with_index do |cell, i|
      column_widths[i] = [column_widths[i], cell.length].max
    end
  end

  if color_mode?
    header_color = @color_auto ? :cyan : nil
    header_strings_display = header_strings_plain.map { |h| colorize(h, header_color) }
    rows_display = @data.map { |row| @headers.map { |h| colorize_cell(h, row[h]) } }
  else
    header_strings_display = header_strings_plain
    rows_display = rows_plain
  end

  output = []
  output << "| " + header_strings_display.each_with_index.map { |h, i|
    pad_right(h, header_strings_plain[i], column_widths[i])
  }.join(" | ") + " |"
  output << "|" + column_widths.map { |w| "-" * (w + 2) }.join("|") + "|"
  rows_plain.each_with_index do |plain_row, ri|
    output << "| " + rows_display[ri].each_with_index.map { |cell, i|
      pad_right(cell, plain_row[i], column_widths[i])
    }.join(" | ") + " |"
  end

  output.join("\n")
end

#render_plain ⇒ Object 



30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/typed_print/table.rb', line 30

def render_plain
  return "" if @data.empty?

  rows_plain = @data.map { |row| @headers.map { |h| format_value(row[h]) } }
  header_strings_plain = @headers.map { |h| header_label(h) }

  column_widths = header_strings_plain.map(&:length)
  rows_plain.each do |row|
    row.each_with_index do |cell, i|
      column_widths[i] = [column_widths[i], cell.length].max
    end
  end

  if color_mode?
    header_color = @color_auto ? :cyan : nil
    header_strings_display = header_strings_plain.map { |h| colorize(h, header_color) }
    rows_display = @data.map { |row| @headers.map { |h| colorize_cell(h, row[h]) } }
  else
    header_strings_display = header_strings_plain
    rows_display = rows_plain
  end

  output = []
  output << format_row(header_strings_display, column_widths, :center, header_strings_plain)
  output << separator(column_widths)
  rows_plain.each_with_index do |plain_row, ri|
    output << format_row(rows_display[ri], column_widths, nil, plain_row)
  end

  output.join("\n")
end